/Engine/Plugins/Interchange/Runtime/Source/FactoryNodes/Public/InterchangeSkeletalMeshFactoryNode.h
Query weather the skeletal mesh factory should create the morph target. Return false if the attribute was not set.
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="Interchange | Node | SkeletalMesh") bool GetCustomImportMorphTarget ( bool & AttributeValue ) const